Malicious PDF — malware analysis report

Static analysis result for SHA-256 2a01bdc6c5506866…

MALICIOUS

PDF

74.5 KB Created: 2021-03-03 06:14:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 91b217a5fa09ec635078fc260ab4bb7b SHA-1: 102c8bd86052da9fb99937d6056fb53ae47fd8a0 SHA-256: 2a01bdc6c5506866aa5adf66ae2ca3d028503b98b5d8d72b615af3d2b5484921
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://kuzutuzo.ru/strik?utm_term=trane+xr95+manual+pdf PDF link annotation
    • https://cdn.sqhk.co/kafekogi/09ZAgfX/zombieville_usa_2_apk_hack.pdfIn PDF document text
    • http://legalvictory.group/game_of_thrones_season_3_episode_7_watch_online_free_megavideoqcwhn.pdfIn PDF document text
    • http://goodsun.fun/8657042490obs2a.pdfIn PDF document text
    • https://cdn.sqhk.co/vixivizal/ZzlzfmA/sepemufo.pdfIn PDF document text
    • https://cdn.sqhk.co/suxunuke/cHfniaj/6465673819.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369518/normal_5fe8d9964a7ee.pdfIn PDF document text
    • http://organicsss.space/tutorial_menggambar_anime_di_ibis_paint_xxvqx2.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4492915/normal_5ff28226833a3.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/loranoduzuja/cardiotonicos_digitalicos.pdfIn PDF document text
    • https://s3.amazonaws.com/nitidadufetenu/89998093622.pdfIn PDF document text
    • https://s3.amazonaws.com/sorogamat/14067206550.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000f7ea.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0xF7EA 11116 bytes
SHA-256: 8bb6f8caafec17a47a02ebce118967c09b41b2f0d7f08fb16cb4f41f46d061b3
font_00_sfnt_off0000e5e8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE5E8 5308 bytes
SHA-256: a92e04cba46db217faf32fbeadf2ded187523bf484bfdc980b875a9696ce37a5

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